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UNITECO refractory ceramic fiber bulk without any bonding agent is made from UNITECO refractory ceramic fiber, melting into very pure raw materials at ultra-high temperature and then spun into refractory insulating fiber (except mullite fiber).

UNITECO refractory ceramic fiber bulk show good chemical stability and resistance to erosion of most aggressive chemicals except phosphoric acid, hydrofluoric acid and strong alkali. The physical properties such as temperature resistance and heat insulation will not change even if wetted with oil, water and steam

UNITECO Refractory ceramic fibers are available in different chemical compositions and sizes for customer's option. In addition, the fibers are available for further improved by chopping (chopped fiber cotton) and deslagging (high fiber index cotton) as well as lubricant plus to improve the fiber properties.